as we mentioned the consensus is that mitt romney deteethed barack obama. and today mr. obama under his energy a bit. >> so you see the man on stage last night, he does not want to be held accountable for the real mitt romney's decisions and what he has been saying for the last year. so governor romney may dance around his positions but if you want to be president, you owe the american people the truth. >> bill: joining us now from washington fox news analyst charles krauthammer. give me something new, charles, give me something you picked up during that debate. >> what i learned by watching it is that mitt romney doesn't seem like the kind of guy who kills the wives of laid off steal workers, which is another way of saying that negative campaigning. negative ads are double-edged. they have had a tremendous effect. including that really revolting add ad that was run against romney with a steel worker whose wife died of cancer looking into the camera blaming it essentially on romney and saying romney doesn't care about anybody. these things work. they do work. they are ve